- uploaded: Mar 22, 2009
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They roam the planetary surface, fly underwater and soar through the heavens. But this is no wildlife safari on planet Earth, this is an expedition of astronomical proportions. When the human race discovers it is not alone, what will our cosmic brothers and sisters look like? To answer this question leading astronomers and astrobiologists have applied the principals of evolution and physics to five types of alien worlds likely to be found in the cosmos. These are the creatures that could be out there. Prepare to take an intergalactic safari and peer directly into the eyes of alien faces.